
Goal Zero Yeti 1500 6th gen (LiFePO4) vs Oupes Mega 1

Oupes Mega 1 leads by 17 points overall.
No purchase urgency: the performance leader is not at a Good or Great price today.

Oupes Mega 1
- Home backup: Oupes Mega 1 — stronger combined capacity and AC-output score
- Camping & RV: Oupes Mega 1 — lighter and easier to carry
Score breakdown
Battery-side usable capacity and how much you can run at once.
Owner reputation, safety record, warranty, and build durability.
Wall and solar recharge speed.
Lightweight, portable, and quiet enough to live with.
Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
1,505 Wh. Show source
claimed sourcegoalzero.com ↗2026-07-04The marketing number — total cell capacity.
1,279 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
1,024 Wh. Show source
claimed sourceoupes.com ↗2026-07-04The marketing number — total cell capacity.
870 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
Same-device runtime
| Device | Goal Zero Yeti 1500 6th gen (LiFePO4) | Oupes Mega 1 | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 17.8 nights | about 12.1 nights | 9 W · |
| CPAP (heated humidifier on) | about 2.9 nights | about 1.9 nights | 56 W · |
| Refrigerator (full-size) | about 20 hours | about 14 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 71 hours | about 48 hours | 18 W · |
| Laptop (65W charger) | about 39 hours | about 27 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 63 full charges | about 43 full charges | 20 W · |
One device at a time; estimates use each station's usable AC energy. Build your own load →
Key specs, side by side
| Spec | Goal Zero Yeti 1500 6th gen (LiFePO4) | Oupes Mega 1 |
|---|---|---|
| AC-delivered capacity | 1,279 Whest.. Show sourceestimated sourcegoalzero.com ↗2026-07-04 | 870 Whest.. Show sourceestimated sourceoupes.com ↗2026-07-04 |
| Continuous power output | 2,000 W. Show sourceclaimed sourcegoalzero.com ↗ | 2,000 W. Show sourceclaimed sourceoupes.com ↗ |
| Surge power output | 3,600 W. Show sourceclaimed sourcegoalzero.com ↗ | 4,500 W. Show sourceclaimed sourceoupes.com ↗ |
| Max solar input | 900 W. Show sourceclaimed sourcegoalzero.com ↗ | 800 W. Show sourceclaimed sourceoupes.com ↗ |
| AC charge time (0–100%) | 66 min. Show sourceclaimed sourcegoalzero.com ↗ | — |
| Weight | 23.9 kg. Show sourceclaimed sourcegoalzero.com ↗ | 12.6 kg. Show sourceclaimed sourceoupes.com ↗ |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourcegoalzero.com ↗ | 3,500 cycles. Show sourceclaimed sourceoupes.com ↗ |
Only show differences
- AC-delivered capacity1,279 Wh870 Wh
- Surge power output3,600 W4,500 W
- Max solar input900 W800 W
- AC charge time (0–100%)66 min—
- Weight23.9 kg12.6 kg
- Rated cycle life4,000 cycles3,500 cycles
Manufacturer figures unless marked verified or est. Tap or focus a figure to view its source. The better reading in each row is highlighted — lower wins for weight and recharge time.
Price & fair-price verdict
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
Quick answers
- Is the Goal Zero Yeti 1500 6th gen (LiFePO4) better than the Oupes Mega 1?
- Oupes Mega 1 leads by 17 points overall. No purchase urgency: the performance leader is not at a Good or Great price today.
- How are these two power stations compared?
- Both are scored by the BatteryRank formula across four pillars — power, trust, charging, and livability — over sourced specs, owner reputation, and durability. Capacity scoring uses battery-side usable watt-hours; this page separately shows estimated or measured AC-delivered capacity. Price is shown against each model's own history, and the score is price-independent.
- Which has more usable capacity, the Goal Zero Yeti 1500 6th gen (LiFePO4) or Oupes Mega 1?
- Use the capacity-truth section for the model-specific comparison. It separates rated battery energy from estimated or independently measured AC-delivered energy, so nameplate watt-hours are not mistaken for outlet runtime.
- Which has more AC output, the Goal Zero Yeti 1500 6th gen (LiFePO4) or Oupes Mega 1?
- The key-differences table compares continuous inverter output and surge output when both sourced readings exist. A missing input stays N/A and never creates a winner.
- Which is lighter, the Goal Zero Yeti 1500 6th gen (LiFePO4) or Oupes Mega 1?
- The key-differences table marks the lighter station only when both manufacturer-sourced weight readings are present. Open each model dossier for dimensions and the full portability context.
- Which is the better price today, the Goal Zero Yeti 1500 6th gen (LiFePO4) or Oupes Mega 1?
- The decision dashboard evaluates each timestamped street price against that model's own tracked history. Price is separate from the quality score, and no deal claim appears without sufficient history.
- How does runtime compare between the Goal Zero Yeti 1500 6th gen (LiFePO4) and Oupes Mega 1?
- The runtime table uses the same sourced device loads and each model's AC-delivered capacity. Results are planning estimates, not hands-on tests, and appear only when both models have enough data.
- Which model should I buy for my use case?
- Use the persona-fit section as a starting point, then confirm required output, runtime, charging, portability, and today's price. BatteryRank declares a use-case winner only when both sides have the needed inputs.
Keep deciding
- Full scorecard, specs & price for Goal Zero Yeti 1500 6th gen (LiFePO4) →
- Full scorecard, specs & price for Oupes Mega 1 →
- See more alternatives to Goal Zero Yeti 1500 6th gen (LiFePO4) →
- See more alternatives to Oupes Mega 1 →
- What size do you need? →
- Browse all rankings →
- Check device runtime evidence →
- Compare outage and trip load plans →
- Browse complete power kits →
- Capacity vs output explained →
- Battery cycle-life thresholds →
- UPS behavior explained →